Patents by Inventor Hong-Tzong Yau

Hong-Tzong Yau has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20170265963
    Abstract: A dental implant surgical guide includes an upper guide member including a tooth mold and a plurality of first mating connector components, an intermediate guide member including a guide portion, a plurality of first connection portions and a plurality of second mating connector components, and a lower guide member including a body having a downward-facing recess, a plurality of second connection portions located on the top side of the body, a support bar having two opposite ends thereof respectively connected to the body at two predetermined locations and a mounting portion formed on the body.
    Type: Application
    Filed: June 8, 2016
    Publication date: September 21, 2017
    Inventors: Hong-Tzong YAU, Yen-Kun LIN
  • Publication number: 20150140505
    Abstract: A computer-aided positioning and navigation system for dental implant includes a computer system having built therein a dental implant planning software and providing a 3D digital human tissues model to create an implant navigation information, a positioning assistive device including a body providing a positioning portion and a guide portion and a connection member carrying an optical positioning device, one or multiple optical capture devices, and a display device electrically connected to the computer system. The computer system controls the optical capture device to capture images and drives the display device to display a part of the content of the 3D digital human tissues model and the implant navigation information.
    Type: Application
    Filed: January 27, 2015
    Publication date: May 21, 2015
    Inventors: Hong-Tzong YAU, Yen-Kun LIN
  • Publication number: 20140147807
    Abstract: A computer-aided positioning and navigation system for dental implant includes a computer system having built therein a dental implant planning software and providing a 3D digital human tissues model to create an implant navigation information, a positioning assistive device including a body providing a positioning portion and a guide portion and a connection member carrying an optical positioning device, one or multiple optical capture devices, and a display device electrically connected to the computer system. The computer system controls the optical capture device to capture images and drives the display device to display a part of the content of the 3D digital human tissues model and the implant navigation information.
    Type: Application
    Filed: February 26, 2013
    Publication date: May 29, 2014
    Applicant: NATIONAL CHUNG CHENG UNIVERSITY
    Inventors: Hong-Tzong YAU, Yen-Kun LIN
  • Patent number: 8406909
    Abstract: A method of designing a dental-implant prosthesis includes the steps of arranging a referential jig and combining the referential jig into a fixture installed in a patient's oral cavity, the referential jig having at least one feature point, the fixture having a connection interface, the referential jig having an opposite-joint interface; scanning the patient's oral cavity to acquire an oral digital data and a referential-jig digital data having at least one feature-point digital data; selecting one digital dental-implant prosthesis from a prosthetic database in a computer, a digital positioning jig overlapping the digital dental-implant prosthesis for combination with the connection interface, and proceeding with overlapping and localization of the digital positioning jig and the referential-jig digital data to combine the referential-jig digital data into the connection interface; and adjusting the position, size, and angle of the digital dental-implant prosthesis to acquire the digital dental-implant prost
    Type: Grant
    Filed: August 30, 2010
    Date of Patent: March 26, 2013
    Assignee: Pou Yu Biotechnology Co., Ltd.
    Inventors: Hong-Tzong Yau, Chuan-Chu Kuo, Jiun-Ren Chen, Chien-An Chen, Lee-Sen Tsou
  • Patent number: 8386062
    Abstract: A method of preparing a digital model and an artificial tooth applied to dental implant includes the steps of a) combining a jig into a fixture in a patient's oral cavity and scanning the patient's oral cavity by an oral scanner to acquire a first oral digital data and saving it in a computer; b) operating the computer to select one of digital prostheses from a prosthetic database in the computer, arranging a digital positioning jig to correspond to the jig in the first oral digital data, and then combining the selected digital prosthesis with the first oral digital data to generate a second oral data; c) generating a digital oral model based on the second oral digital data; and d) creating a solid oral model.
    Type: Grant
    Filed: August 30, 2010
    Date of Patent: February 26, 2013
    Assignee: Pou Tu Biotechnology Co., Ltd.
    Inventors: Hong-Tzong Yau, Chuan-Chu Kuo, Jiun-Ren Chen, Chien-An Chen, Lee-Sen Tsou
  • Patent number: 8135492
    Abstract: A method of making a surgical template used for a computer-guided dental implant surgery includes the steps of: establishing implant planning data of a patient's jaw, producing a digital plaster model of the patient's jaw, allowing the digital plaster model to have the implant planning data, integrating the digital plaster model with the implant planning data to obtain a digital machining data, holding and machining a modeling block at a machining position according to the digital machining data to form a solid jaw model corresponding to the patient's jaw and having teeth, gums, and at least one implant-position indicating structure, mounting a positioning member at the implant-position indicating structure, and producing a negative template body from an assembly of the solid jaw model and the positioning member with a thermoplastic dental material by a molding process or a vacuum forming process.
    Type: Grant
    Filed: February 26, 2010
    Date of Patent: March 13, 2012
    Assignee: Pou Yu Biotechnology Co., Ltd.
    Inventors: Hong-Tzong Yau, Chuan-Chu Kuo, Jiun-Ren Chen, Chun-Chun Yang, Chien-An Chen, Ying-Li Chen
  • Patent number: 8113835
    Abstract: An abutment assembly for use with a dental implant unit includes a metal pedestal unit which has a fitting bushing adapted to fittingly engage a tubular fitted wall of an implant member, a ceramic abutment body which has an annular cut-out in a bottom wall thereof to be mounted on the pedestal unit, and a tubular packing member which has a bearing ledge on an inner peripheral surface to be pressed by a bolt member when the bolt member is threadedly engaged with the implant member, and a pressing region on an outer peripheral surface to be brought to intimately abut against a pressed region of an inner tubular wall surface of the abutment wall so as to place the abutment body in a tightened position.
    Type: Grant
    Filed: April 21, 2009
    Date of Patent: February 14, 2012
    Assignee: Pou Yu Biotechnology Co., Ltd.
    Inventors: Hong-Tzong Yau, Wen-Chin Chou
  • Patent number: 8077942
    Abstract: A method for designing an abutment tooth which mainly comprises the steps of: setting a reference abutment device with a feature on an analog of a mouth model; positioning a digital abutment with the same configuration as the reference abutment device on the analog to obtain the configuration data of the positioning of the digital abutment on the analog; optimally adjusting the digital abutment by using as a reference the configuration digital data without affecting the configuration of the digital abutment and the analog, thus finishing the design of the abutment.
    Type: Grant
    Filed: February 27, 2008
    Date of Patent: December 13, 2011
    Assignee: Pou Yu Biotechnology Co., Ltd.
    Inventors: Hong-Tzong Yau, Chuan-Chu Kuo, Jiun-Ren Chen, Chine-An Chen
  • Publication number: 20110123955
    Abstract: A method of preparing a digital model and an artificial tooth applied to dental implant includes the steps of a) combining a jig into a fixture in a patient's oral cavity and scanning the patient's oral cavity by an oral scanner to acquire a first oral digital data and saving it in a computer; b) operating the computer to select one of digital prostheses from a prosthetic database in the computer, arranging a digital positioning jig to correspond to the jig in the first oral digital data, and then combining the selected digital prosthesis with the first oral digital data to generate a second oral data; c) generating a digital oral model based on the second oral digital data; and d) creating a solid oral model.
    Type: Application
    Filed: August 30, 2010
    Publication date: May 26, 2011
    Applicant: POU YU BIOTECHNOLOGY CO., LTD.
    Inventors: Hong-Tzong Yau, Chuan-Chu Kuo, Jiun-Ren Chen, Chien-An Chen, Lee-Sen Tsou
  • Publication number: 20110123954
    Abstract: A method of designing a dental-implant prosthesis includes the steps of arranging a referential jig and combining the referential jig into a fixture installed in a patient's oral cavity, the referential jig having at least one feature point, the fixture having a connection interface, the referential jig having an opposite-joint interface; scanning the patient's oral cavity to acquire an oral digital data and a referential-jig digital data having at least one feature-point digital data; selecting one digital dental-implant prosthesis from a prosthetic database in a computer, a digital positioning jig overlapping the digital dental-implant prosthesis for combination with the connection interface, and proceeding with overlapping and localization of the digital positioning jig and the referential jig digital data to combine the referential jig digital data into the connection interface; and adjusting the position, size, and angle of the digital dental-implant prosthesis to acquire the digital dental-implant prost
    Type: Application
    Filed: August 30, 2010
    Publication date: May 26, 2011
    Applicant: POU YU BIOTECHNOLOGY CO., LTD.
    Inventors: Hong-Tzong Yau, Chuan-Chu Kuo, Jiun-Ren Chen, Chien-An Chen, Lee-Sen Tsou
  • Patent number: 7909607
    Abstract: A method for designing a digital abutment for a dental implant includes the steps of: a) implant planning where implant planning is initiated based on digital data obtained from the patient and loaded into a computer system to enable an implant fixture to be implanted at the implant site in the best position, b) establishment of digital reference abutment where a digital reference abutment is established at the implant site and positioned on the implant fixture, c) adjustment of the digital reference abutment where the digital reference abutment has a subgingival part and a supragingival part at the top side of the subgingival part, and the angle between the subgingival part and the supragingival part is adjusted based on the best prosthesis position, and d) finish of digital abutment where the digital reference abutment becomes a digital abutment for placement after the adjustment.
    Type: Grant
    Filed: June 9, 2008
    Date of Patent: March 22, 2011
    Assignee: Pou Yu Biotechnology Co., Ltd.
    Inventors: Hong-Tzong Yau, Chuan-Chu Kuo, Jiun-Ren Chen, Fu-Chieh Hsiao
  • Patent number: 7854611
    Abstract: A method of generating a digital supplementary device for dental implantation by: preparing a mouth model based on the internal shape of the oral cavity of the patient; performing a 3D scan to obtain digital model of the mouth model, the digital model of the patient's oral cavity and the digital model of the tooth model; defining the digital models as the “positioning object,” “the reference object” and the “attached positioning object”; obtaining characteristic points after joining the positioning object and the attached positioning object and positioning the positioning object and the reference object based on the characteristic points; and then outputting the attached positioning object with the positioning data obtained after positioning of the attached positioning object. The output thus obtained is the desired digital supplementary device for dental implant planning.
    Type: Grant
    Filed: June 9, 2008
    Date of Patent: December 21, 2010
    Assignee: Pou Yu Biotechnology Co., Ltd.
    Inventors: Hong-Tzong Yau, Chuan-Chu Kuo, Jiun-Ren Chen, Fu-Chieh Hsiao
  • Publication number: 20100316974
    Abstract: A method of making a surgical template comprises: producing a 3-D geometrical image by a CT scanning performed on a patient's jaw and establishing corresponding implant planning data to obtain a 3-D first digital image, making a positive plaster model of the patient's jaw, scanning the plaster model to obtain a 3-D second digital image, overlapping the second digital image on the first digital image to obtain a computer representation of the plaster model and at least one implant to be mounted according to the implant planning data, drilling the plaster model to form at least one pinhole according to the implant planning data, inserting a pin into the pinhole, producing a negative template body from an assembly of the plaster model and the pin with a thermoplastic dental material so that the negative template body has at least one implant guide hole and constitutes the surgical template.
    Type: Application
    Filed: June 11, 2009
    Publication date: December 16, 2010
    Applicant: Pou Yu Biotechnology Co., Ltd.
    Inventors: Hong-Tzong Yau, Chuan-Chu Kuo, Jiun-Ren Chen, Chun-Chuan Yang, Chien-An Chen, Ying-Li Chen
  • Publication number: 20100266985
    Abstract: An abutment assembly for use with a dental implant unit includes a metal pedestal unit which has a fitting bushing adapted to fittingly engage a tubular fitted wall of an implant member, a ceramic abutment body which has an annular cut-out in a bottom wall thereof to be mounted on the pedestal unit, and a tubular packing member which has a bearing ledge on an inner peripheral surface to be pressed by a bolt member when the bolt member is threadedly engaged with the implant member, and a pressing region on an outer peripheral surface to be brought to intimately abut against a pressed region of an inner tubular wall surface of the abutment wall so as to place the abutment body in a tightened position.
    Type: Application
    Filed: April 21, 2009
    Publication date: October 21, 2010
    Applicant: Pou Yu Biotechnology Co., Ltd.
    Inventors: Hong-Tzong Yau, Wen-Chin Chou
  • Publication number: 20100240000
    Abstract: A method of making a surgical template used for a computer-guided dental implant surgery includes the steps of: establishing implant planning data of a patient's jaw, producing a digital plaster model of the patient's jaw, allowing the digital plaster model to have the implant planning data, integrating the digital plaster model with the implant planning data to obtain a digital machining data, holding and machining a modeling block at a machining position according to the digital machining data to form a solid jaw model corresponding to the patient's jaw and having teeth, gums, and at least one implant-position indicating structure, mounting a positioning member at the implant-position indicating structure, and producing a negative template body from an assembly of the solid jaw model and the positioning member with a thermoplastic dental material by a molding process or a vacuum forming process.
    Type: Application
    Filed: February 26, 2010
    Publication date: September 23, 2010
    Applicant: Pou Yu Biotechnology Co., Ltd.
    Inventors: Hong-Tzong YAU, Chuan-Chu Kuo, Jiun-Ren Chen, Chun-Chun Yang, Chien-An Chen, Ying-Li Chen
  • Publication number: 20090111071
    Abstract: A method for designing a digital abutment for a dental implant includes the steps of: a) implant planning where implant planning is initiated based on digital data obtained from the patient and loaded into a computer system to enable an implant fixture to be implanted at the implant site in the best position, b) establishment of digital reference abutment where a digital reference abutment is established at the implant site and positioned on the implant fixture, c) adjustment of the digital reference abutment where the digital reference abutment has a subgingival part and a supragingival part at the top side of the subgingival part, and the angle between the subgingival part and the supragingival part is adjusted based on the best prosthesis position, and d) finish of digital abutment where the digital reference abutment becomes a digital abutment for placement after the adjustment.
    Type: Application
    Filed: June 9, 2008
    Publication date: April 30, 2009
    Applicant: POU YU BIOTECHNOLOGY CO., LTD.
    Inventors: Hong-Tzong Yau, Chuan-Chu Kuo, Jiun-Ren Chen, Fu-Chieh Hsiao
  • Publication number: 20090104583
    Abstract: A method for designing an abutment tooth which mainly comprises the steps of: setting a reference abutment device with a feature on an analog of a mouth model; positioning a digital abutment with the same configuration as the reference abutment device on the analog to obtain the configuration data of the positioning of the digital abutment on the analog; optimally adjusting the digital abutment by using as a reference the configuration digital data without affecting the configuration of the digital abutment and the analog, thus finishing the design of the abutment.
    Type: Application
    Filed: February 27, 2008
    Publication date: April 23, 2009
    Inventors: Hong-Tzong YAU, Chuan-Chu Kuo, Jiun-Ren Chen, Chine-An Chen
  • Publication number: 20090092946
    Abstract: A method of generating a digital supplementary device for dental implantation by: preparing a mouth model based on the internal shape of the oral cavity of the patient; performing a 3D scan to obtain digital model of the mouth model, the digital model of the patient's oral cavity and the digital model of the tooth model; defining the digital models as the “positioning object,” “the reference object” and the “attached positioning object”; obtaining characteristic points after joining the positioning object and the attached positioning object and positioning the positioning object and the reference object based on the characteristic points; and then outputting the attached positioning object with the positioning data obtained after positioning of the attached positioning object. The output thus obtained is the desired digital supplementary device for dental implant planning.
    Type: Application
    Filed: June 9, 2008
    Publication date: April 9, 2009
    Applicant: POU YU BIOTECHNOLOGY CO., LTD.
    Inventors: Hong-Tzong Yau, Chuan-Chu Kuo, Jiun-Ren Chen, Fu-Chieh Hsiao
  • Publication number: 20070154869
    Abstract: A method of making dental plate implant includes the steps of preparing an oral scanning image generated from a tomogram of a patient's mouth; producing and scanning a substantial model from a rollover of the patient's mouth to prepare an oral model; positioning the oral model to the oral scanning image by comparing a positioning object (defined by the oral model) and a referential object (defined by the oral scanning image) respectively; conducting a multi-stage amplification calculation of the oral model to further generate a digital processing model; and processing the digital processing model through a machine tool to produce a dental plate implant.
    Type: Application
    Filed: July 31, 2006
    Publication date: July 5, 2007
    Applicant: PUO YUEN TECHNOLOGY CO., LTD,
    Inventors: Hong-Tzong Yau, Chuan-Chu Kuo, Jiun-Ren Chen, Chine-An Chen, Fu-Chieh Hsiao, Lee-Sen Tsou
  • Publication number: 20070154865
    Abstract: A method includes the steps of preparing a tooth mold of a rollover from a patient's mouse; scanning the tooth mold to convert it into digital data and to create a digital model; conducting operations of at least positioning, integration, and edition of the digital model to create a digital plaster mold; and converting the digital plaster mold through computer-added manufacturing (CAM) into a program for a processing machine and then processing a material with the processing machine based on the program to produce a substantial plaster mold. Accordingly, the present invention can simplify the delivery/transportation process, reduce the costs, speed up the production, and do the standardization.
    Type: Application
    Filed: July 21, 2006
    Publication date: July 5, 2007
    Applicant: POU YUEN TECHNOLOGY CO., LTD.
    Inventors: Hong-Tzong Yau, Chuan-Chu Kuo, Yin-Shih Lu, Chine-An Chen, Tai-Jen Chen, Bin-Ru Tseng